Mohave Sootywing
Hesperopsis libya (Scudder, 1878)
Family: Hesperiidae
Subfamily: Pyrginae
Identification: Fringes are white and not checkered. Upperside is dark brown with 2 rows of small white spots on the forewing; hindwing may have some white spots. Underside of hindwing is light to dark brown with a pale gray overlay and few to many white spots.
Wing Span: 7/8 - 1 1/4 inches (2.2 - 3.2 cm).
Life History: To find receptive females, males patrol around the host plants in the morning. Females lay eggs singly on leaves of the host plants. Caterpillars feed on leaves and live in nests of leaves tied together with silk.
Flight: One brood in North Dakota and Montana from July-August; two broods in Colorado from June-August; several broods in southern California from March-October.
Caterpillar Hosts: Shadscale (Atriplex canescens) in the goosefoot family (Chenopodiaceae).
Adult Food: Flower nectar.
Habitat: Desert washes and alkali flats with shadscale.
Range: Eastern Oregon east to Montana; south to southern California, Arizona, Baja California, and northwestern mainland Mexico.
Conservation: Not usually required.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
Comments: NULL
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Verified Sightings
Displaying 73 - 96 of 191 verified sightings
Observation date: Jun 21, 1983
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 26, 2009
Observation date: May 10, 1987
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 26, 2009
Observation date: May 11, 1992
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 26, 2009
Observation date: Jun 06, 1995
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 26, 2009
Observation date: Apr 28, 1977
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 26, 2009
Observation date: May 28, 1983
Submitted by: Ken Davenport (Ken Davenport)
Region: San Luis Obispo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 26, 2009
Observation date: May 28, 1991
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 26, 2009
Observation date: May 18, 1985
Submitted by: legacy.reporter (Charles Sekerman)
Region: Inyo County, California, United States
Verified by: legacy.verifier (Robert Langston)
Verified date: Jun 26, 2009
Observation date: Sep 18, 1978
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 26, 2009
Observation date: May 12, 1980
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 26, 2009
Observation date: Jun 28, 1994
Submitted by: legacy.reporter (Gordon Pratt)
Region: Kern County, California, United States
Verified by: legacy.verifier (Gordon Pratt)
Verified date: Jun 26, 2009
Observation date: May 11, 1992
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 26, 2009
Observation date: Apr 24, 1994
Submitted by: Ken Davenport (Ken Davenport)
Region: San Bernardino County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 26, 2009
Observation date: Jun 24, 1983
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 26, 2009
Observation date: Jun 04, 1987
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 26, 2009
Observation date: May 11, 1987
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 26, 2009
Observation date: Aug 30, 1976
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 26, 2009
Observation date: Aug 25, 1998
Submitted by: Ken Davenport (Ken Davenport)
Region: Inyo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 26, 2009
Observation date: May 12, 1980
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 26, 2009
Observation date: Jun 10, 1983
Submitted by: Ken Davenport (Ken Davenport)
Region: San Luis Obispo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 26, 2009
Observation date: Jun 08, 1975
Submitted by: legacy.reporter (Jim Brock)
Region: Inyo County, California, United States
Verified by: legacy.verifier (Jim Brock)
Verified date: Jun 26, 2009
Observation date: Apr 05, 1988
Submitted by: Ken Davenport (Ken Davenport)
Region: San Bernardino County, California, United States
Verified by: legacy.verifier (Ken Davenport`)
Verified date: Jun 26, 2009
Observation date: May 06, 1978
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: legacy.verifier (Ken DavenportNo)
Verified date: Jun 26, 2009
Observation date: May 18, 1981
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jun 26, 2009
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